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    Last Updated: 01/09/2026

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    MediFind found 30 doctor with experience in RASopathies near North Holland, NL. Of these, 26 are Experienced and 4 are Advanced.

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    30 providers found
      Advanced in RASopathies

      Ype Elgersma
      Advanced in RASopathies

      Ype Elgersma

      Erasmus MC

      Rotterdam, ZH, NL 

      Ype Elgersma practices in Rotterdam, Netherlands. Elgersma is rated as an Advanced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Angelman Syndrome, Neurofibromatosis Type 1 (NF1), Neurofibromatosis, and Legius Syndrome.

      Advanced in RASopathies

      Arie Van Haeringen
      Advanced in RASopathies

      Arie Van Haeringen
      Leiden, ZH, NL 

      Arie Van Haeringen practices in Leiden, Netherlands. Van Haeringen is rated as an Advanced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Coffin-Siris Syndrome, Increased Head Circumference, Macrodactyly of the Foot, and Marshall-Smith Syndrome.

      Advanced in RASopathies

      Jeroen Den Hertog
      Advanced in RASopathies

      Jeroen Den Hertog
      Leiden, ZH, NL 

      Jeroen Den Hertog practices in Leiden, Netherlands. Mr. Den Hertog is rated as an Advanced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Cardiomyopathic Lentiginosis, Metachondromatosis, RASopathies, and Melasma.

      Are you looking for a specific type of RASopathies?

      Common conditions include: Cardiofaciocutaneous Syndrome, Cardiomyopathic Lentiginosis, Costello Syndrome, Legius Syndrome, Noonan Syndrome

      Learn about our expert tiers
      Advanced in RASopathies

      Rick Van Minkelen
      Advanced in RASopathies

      Rick Van Minkelen

      Erasmus MC

      Rotterdam, ZH, NL 

      Rick Van Minkelen practices in Rotterdam, Netherlands. Mr. Van Minkelen is rated as an Advanced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Neurofibromatosis, Neurofibromatosis Type 1 (NF1), Frontotemporal Dementia, and Legius Syndrome.

      Linda S. De Vries
      Experienced in RASopathies

      Linda S. De Vries
      Experienced in RASopathies

      Linda S. De Vries
      Leiden, ZH, NL 

      Linda De Vries practices in Leiden, Netherlands. Ms. De Vries is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Premature Infant, Hypothermia, Intraventricular Hemorrhage of the Newborn, and Asphyxia Neonatorum.

      Experienced in RASopathies

      Barbara J. Sibbles
      Experienced in RASopathies

      Barbara J. Sibbles
      Rotterdam, ZH, NL 

      Barbara Sibbles practices in Rotterdam, Netherlands. Ms. Sibbles is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are West Syndrome, RASopathies, Costello Syndrome, and Noonan Syndrome.

      Experienced in RASopathies

      Kyra E. Stuurman
      Experienced in RASopathies

      Kyra E. Stuurman
      Rotterdam, ZH, NL 

      Kyra Stuurman practices in Rotterdam, Netherlands. Ms. Stuurman is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Increased Head Circumference, Allan-Herndon-Dudley Syndrome, Micrognathia, and Hygroma Cervical.

      Experienced in RASopathies

      Danielle M. Van Der Kaay
      Experienced in RASopathies

      Danielle M. Van Der Kaay
      Rotterdam, ZH, NL 

      Danielle Van Der Kaay practices in Rotterdam, Netherlands. Van Der Kaay is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Pycnodysostosis, Macrodactyly of the Foot, Microcephaly Deafness Syndrome, and Small for Gestational Age.

      Experienced in RASopathies

      Anne-sophie S. 't Lam-Van Der Werf
      Experienced in RASopathies

      Anne-sophie S. 't Lam-Van Der Werf
      Leiden, ZH, NL 

      Anne-sophie 't Lam-Van Der Werf practices in Leiden, Netherlands. Ms. 't Lam-Van Der Werf is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Lynch Syndrome, Andersen-Tawil Syndrome, Noonan Syndrome, and RASopathies.

      Experienced in RASopathies

      Hannie W. Douben
      Experienced in RASopathies

      Hannie W. Douben

      Erasmus MC

      Rotterdam, ZH, NL 

      Hannie Douben practices in Rotterdam, Netherlands. Ms. Douben is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Blepharocheilodontic Syndrome, Legius Syndrome, Cafe-Au-Lait Spots, and Triple A Syndrome.

      Experienced in RASopathies

      Yolande Van Bever
      Experienced in RASopathies

      Yolande Van Bever

      Erasmus MC

      Rotterdam, ZH, NL 

      Yolande Van Bever practices in Rotterdam, Netherlands. Ms. Van Bever is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Swyer Syndrome, VACTERL Association, Intersex, and Esophageal Atresia.

      Experienced in RASopathies

      Tjitske Kleefstra
      Experienced in RASopathies

      Tjitske Kleefstra

      Erasmus MC

      Rotterdam, ZH, NL 

      Tjitske Kleefstra practices in Rotterdam, Netherlands. Kleefstra is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are KBG Syndrome, Hypotonia, Increased Head Circumference, and Short Philtrum.

      Experienced in RASopathies

      Esmee Kasteleijn
      Experienced in RASopathies

      Esmee Kasteleijn
      Rotterdam, ZH, NL 

      Esmee Kasteleijn practices in Rotterdam, Netherlands. Ms. Kasteleijn is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Polymicrogyria, Focal or Multifocal Malformations in Neuronal Migration, Cortical Dysplasia, and Agyria Pachygyria Polymicrogyria.

      Experienced in RASopathies

      Saskia N. De Wildt
      Experienced in RASopathies

      Saskia N. De Wildt

      Erasmus MC

      Rotterdam, ZH, NL 

      Saskia De Wildt practices in Rotterdam, Netherlands. Ms. De Wildt is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Vascular Birthmark, Hemangioma, Acute Pain, Delirium, and Kidney Transplant.

      Experienced in RASopathies

      Dick Jaarsma
      Experienced in RASopathies

      Dick Jaarsma

      Erasmus MC

      Rotterdam, ZH, NL 

      Dick Jaarsma practices in Rotterdam, Netherlands. Mr. Jaarsma is rated as an Experienced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Progeria, Cockayne Syndrome Type 1, Primary Lateral Sclerosis, and Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease).

      Experienced in RASopathies

      Mark D. Nellist
      Experienced in RASopathies

      Mark D. Nellist

      Erasmus MC

      Rotterdam, ZH, NL 

      Mark Nellist practices in Rotterdam, Netherlands. Mr. Nellist is rated as an Experienced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Tuberous Sclerosis, Tuberous Sclerosis Complex, Cortical Dysplasia, and Neurofibromatosis Type 1 (NF1).

      Experienced in RASopathies

      Marieke H. Joosten
      Experienced in RASopathies

      Marieke H. Joosten

      Erasmus MC

      Rotterdam, ZH, NL 

      Marieke Joosten practices in Rotterdam, Netherlands. Ms. Joosten is rated as an Experienced expert by MediFind in the treatment of RASopathies. Her top areas of expertise are Jacobsen Syndrome, Mosaicism, Micrognathia, and Coffin-Siris Syndrome.

      Experienced in RASopathies

      Janneke C. Van Den Bergen
      Experienced in RASopathies

      Janneke C. Van Den Bergen
      Leiden, ZH, NL 

      Janneke Van Den Bergen practices in Leiden, Netherlands. Van Den Bergen is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Becker Muscular Dystrophy, Duchenne Muscular Dystrophy, and RASopathies.

      Experienced in RASopathies

      Peter Elfferich
      Experienced in RASopathies

      Peter Elfferich

      Erasmus MC

      Rotterdam, ZH, NL 

      Peter Elfferich practices in Rotterdam, Netherlands. Mr. Elfferich is rated as an Experienced expert by MediFind in the treatment of RASopathies. His top areas of expertise are Agyria Pachygyria Polymicrogyria, Legius Syndrome, Cafe-Au-Lait Spots, and Polymicrogyria.

      Experienced in RASopathies

      Tjakko J. Van Ham
      Experienced in RASopathies

      Tjakko J. Van Ham
      Rotterdam, ZH, NL 

      Tjakko Van Ham practices in Rotterdam, Netherlands. Van Ham is rated as an Experienced expert by MediFind in the treatment of RASopathies. Their top areas of expertise are Leukodystrophy, Neurofibromatosis Type 1 (NF1), Mosaicism, and Neurofibromatosis.

      While we make every effort to provide the best results possible, data is currently limited outside of the United States. Doctors listed may include both clinicians and researchers, and individuals relocate frequently. We recommend contacting doctors directly to confirm their location and areas of focus. Contact information is provided when available. Learn more about our expert tiers.
      Showing 1-20 of 30

      Last Updated: 01/09/2026

      What is the definition of RASopathies?

      RASopathies are a group of rare syndromes causes by mutations in the genes that make proteins for the Ras/MAPK cell signaling pathway. This pathway controls cell functions such as cell growth, cell maturation, and cell death. There are several types of RASopathy syndromes, including cardiofaciocutaneous syndrome, Costello syndrome, Legius syndrome, neurofibromatosis type 1, Noonan syndrome, and capillary malformation-arteriovenous malformation syndrome.

      When should I see a RASopathies doctor in North Holland, NL?

      There are various reasons why you may want to see a specialist, such as: 

      • Your primary care provider recommends it. 
      • Your condition requires expert knowledge and specialized care. 
      • Your symptoms persist or worsen despite treatment. 
      • You need specialized testing or procedures. 
      • You want a second opinion.  

      What should I consider when choosing a RASopathies doctor in North Holland, NL?

      It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

      How do I find the best RASopathies doctor in North Holland, NL?

      You can find a RASopathies doctor in any of the 10 largest U.S. cities by clicking below:

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      RASopathies doctor near Atlanta, GA
      RASopathies doctor near Boston, MA
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      RASopathies doctor near San Jose, CA

      How does MediFind rank RASopathies doctors in North Holland, NL?

      MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

      What types of insurance are accepted by RASopathies doctors in North Holland, NL?

      Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

      How can I book an appointment online with a RASopathies doctor in North Holland, NL?

      MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the RASopathies doctor search results page. 

      Why is it important to get a second opinion from a different RASopathies doctor?

      Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

      How can I prepare for my appointment with a RASopathies doctor in North Holland, NL?

      Prepare for your appointment by gathering the following items: 

      • Copies of medical records (dating back at least one year) 
      • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
      • Family history of disease 
      • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
      • Allergies to medications, food, latex, insects, etc.  
      • List of questions and concerns 
      • Your insurance card 

      You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

      What questions should I ask my RASopathies doctor?

      Here are some sample questions: 

      • Can you explain in simple terms what this condition is and how it’s treated? 
      • What symptoms or side effects should I watch for? 
      • What tests will be involved, and when can I expect results? 
      • Are there other specialists I need to see? 
      • What’s the best way to reach you if I have follow-up questions? 

      How can I learn about the latest clinical trials and research advances my RASopathies doctor may know about?

      MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

      MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

      Can I filter my search to show male or female RASopathies doctors in North Holland, NL?

      Look for the filter feature on the left side of the RASopathies doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

      Can I filter my search to find a RASopathies doctor that offers video calls?

      Look for the filter feature on the left-side of the RASopathies doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

      Reviewed on: 11/11/24  

      By: MediFind Medical Staff 

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